% arara: pdflatex
% arara: makeglossaries
% arara: pdflatex
\documentclass{article}

\usepackage[colorlinks]{hyperref}
\usepackage{glossaries-extra}

\makeglossaries

\renewcommand*{\glslinkpostsetkeys}{%
 \ifnum\GlsXtrLinkCounterValue{\glslabel}>1
  \setkeys{glslink}{hyper=false}%
 \fi
}

%\GlsXtrEnableLinkCounting[section]{general}
\GlsXtrEnableLinkCounting{general}

\newglossaryentry{sample1}{name={sample1},description={an example}}
\newglossaryentry{sample2}{name={sample2},description={another example}}

\newabbreviation{ex}{ex}{example}

\begin{document}

\section{Sample Section}

\Gls{sample1}, \gls{sample2} and \gls{ex}.
\Glstext{sample1} and \gls{ex} again.
Link count: \GlsXtrTheLinkCounter{sample1} (sample1),
\GlsXtrTheLinkCounter{sample2} (sample2) and
\GlsXtrTheLinkCounter{ex} (ex).

\section{Another Sample Section}

\Gls{sample1}, \gls{sample2} and \gls{ex}.
Link count: \GlsXtrTheLinkCounter{sample1} (sample1),
\GlsXtrTheLinkCounter{sample2} (sample2) and
\GlsXtrTheLinkCounter{ex} (ex).

\printglossaries

\end{document}